77294-39-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77294-39-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,9 and 4 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 77294-39:
(7*7)+(6*7)+(5*2)+(4*9)+(3*4)+(2*3)+(1*9)=164
164 % 10 = 4
So 77294-39-4 is a valid CAS Registry Number.
77294-39-4Relevant articles and documents
Synthesis of Substituted Diazepinoindol-4-ones
Hiremath, Shivayogi P.,Goudar, Naganagouda N.,Purohit, Muralidhar G.
, p. 848 - 851 (2007/10/02)
Various substituted ethyl 5-hydroxy-2-methylindole-3-carboxylates have been prepared by Nenitzescu reaction.These on condensation with hydrazine hydrate give the respective carboxyhydrazides, which react with formamide, acetic anhydride-acetic acid and be